File storage system



July 25, 1967 Filed Nov. 15. 1964 J. G. BRENZA ETAL FILE STORAGE SYSTEM .37 Sheets-Sheet L5 102 F I G 3 135 208 A94 190 ADD 1 REG 26 L Z REG 210 DAR LAC 186 L. CT 26 120 120 J 1 R 212 c REG 0 A REG W DIVIDE 21s H24 214 up 1 100 [A184 150 COMPARE CTR 28) HARX 154 232 K2227 w 122 I *206 100 190 TECROCNJFIMTJL B REG am 0BR W1 20o 1- 198 TAR K REG H92 L. E REG /19e H8/ m 17% (H4 K MEMORY INITIALIZE CYCLE x RING -L f CYCLE 4 246 240 -2a4 CYCLE I 1 ,5 242 CYCLE 6 Y RING p- CYCLE 7 4 CYCLE 9,10,11 :1 CYCLE 12 24s l CYCLE 1 CYCLE v 5f16a17 July 25, 1967 J- G. BRENZA ETAL FILE STORAGE SYSTEM .37 Sheets-Sheet 4 Filed NOV. 13. 1964 comm Doom

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y 1957 J. G BRENZA ETAL 3,333,251

FILE STORAGE SYSTEM Filed Nov. 13, 1964 57 Sheets-Sheet 5 -TR22C15 FIGGA 651 muss TR23C15 /-TR4C6 mace e52- 67$- 670 T8 ess OR -1- A 0R- 654 FINISHED }sET ass #SIGNAL 550 512 FIG. TF M c; G REG RANDOMIZER sea TRscs- TR24013;- 1 a RESET B 657 684 T1 are 702 ism G 05a FIG, FIG, FIG. 692 a 6A 6B 6C ea2 ,RESET 694 FIG, FIG. FIG. FIG. A f 60 6E 6F es -l" 698 FIG. FIG. FIG. FIG. FIG. FIG. FIG. FIG- 6H 61 SJ 6K SL SM 6N 6P 7 FIG.6

y 67 .1. G. BRENZA ETAL 3,333,251

FILE STORAGE SYSTEM Filed Nov. 13. 1964 .37 Sheets-Sheet 6 DiRECTORY BUSY 724 1 Fl G. 65

r 0 FF FANISHED m DIRECTORY July 25, 1967 J. G. BRENZA ETAL FILE- STORAGE SYSTEM Filed Nov. 13. 1964 .37 Sheets-Sheet 8 E FIG. so 11 1498 1492 TR10C6 +1 LAC 1 1500 1496 TR9C6 M4 1504 #568 a LAC 2 J 1510 1508 F TR10C6 21506 To! RESET 151a f A 1 1516 2 1516 F8106, O OR 112 -51 TR7C6 To A July 25, 1967 J. G BRENZA ETAL 3,333,251

FILE STORAGE SYSTEM Filed Nov. 13. 1964 .7? Sheets-Sheet 12 14 32A Wm 5 2 fi M G 1 TOW1 REG WRITE R L FIGS ESET BUS A T0 T8 8B&8E FIGGC 5E1 518 519 528 ZT- WRITE HNESHED /T0 T0 HRO REG 81 mac 320 I 2394 RESET 528 so 2285 \L r A 318 11 HOST T0 CPU mos 46A RRO 94 580 m 521% 522 a? REG m- G I mow READ WRITE HRO 1m 325- A 52s- A 468 95 TR2C2 T4 TR4C6T4 7 REG G 582 F F mg JiL J FROM T "i- F|lq(A%C% 46C 96 388 see RR2 BUS @i REG m. G

FROM L FIGSC 46D 9? 592 171% RR3 m G REG 7 390 mm AL July 25, 1967 J. G. BRENZA ETAL FILE STORAGE SYSTEM .37 Sheets-Sheet 115 Filed Nov. 13. 1964 -SET /SET

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July 25, 1967 J. G. BRENZA ETAL FILE STORAGE SYSTEM Filed Nov. 13. 1964 .37 Sheets-Sheet 17 l I I I 1 3 100011 10000 1000010000 11988 ,1202 H 11101 11000 12801 A 128618 11001: 1200 11000 +1 I 1204 WQ REG 1200 1294 COMP A 1300 +1 1111 110 I A "7* 1 1510 1.1011 FIG-8G 1202 w /110 REG 1334 J 131 1320 T0 FIG. YA 13 1 TRZGCB 1512 A 2 OR R7 1 +1 T 0 ET 2 C|3 1014 1024 km 34 RT ,112

REG 10 HUNG-J 1164A\ 11040 11040 11040 FIG. 6M 1 1 1 1 1 1 

1. A HIERARCHY STORAGE SYSTEM COMPRISING: A PLURALITY OF STORAGE LEVELS EACH HAVING A PLURALITY OF RECORD STORAGE POSITIONS; MEANS FOR STORING A RECORD IN A SELECTED ONE OF SAID LEVELS; MEANS FOR EMPIRICALLY ORDERING RECORDS IN SAID LEVELS; MEANS FOR DETERMINING, AT ANY GIVEN TIME, IN WHICH RECORD STORAGE POSITION OF WHICH LEVEL A DESIRED RECORD IS STORED; AND MEANS RESPONSIVE TO SAID POSITION DETERMINING MEANS FOR ACCESSING SAID DESIRED RECORD. 